Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191227 | Polyethylene resin, and pipes and pipe joints using same | Tohru Matsuoka, Kiyofumi Matsuoka, Fumiaki Naka | 2001-02-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6191227 | Polyethylene resin, and pipes and pipe joints using same | Tohru Matsuoka, Kiyofumi Matsuoka, Fumiaki Naka | 2001-02-20 |